[Mimedefang] Email Filtering Article

Daniel Taylor dtaylor at vocalabs.com
Fri Jun 10 23:12:20 EDT 2005


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John Nemeth wrote:
> On Oct 29,  4:01pm, "Chris Gauch" wrote:
> } > -----Original Message-----
> } > From: mimedefang-bounces at lists.roaringpenguin.com [mailto:mimedefang-
> } > bounces at lists.roaringpenguin.com] On Behalf Of Paul Whittney
> } > Sent: Wednesday, June 08, 2005 8:52 PM
> } > 
> } > Most likely people here read slashdot at times (or all the time ;-), but
> } > there is an article on filtering email, with graphs, and other ideas.
> } > 
> } > http://www.acme.com/mail_filtering/
> } 
> } Interesting reading...the most memorable paragraph was this one:
> } 
> } "Note that qmail, an alternative mail transport program, generates
> } post-reception bounce messages in circumstances where other mail transports
> } would have refused the reception. This means every qmail site is basically
> } an open spam relay. For this reason alone, qmail should never be used by
> } anyone."
> 
>      There are third party patches available to fix this and other
> problems.  The original author, Daniel J. Bernstein, is refusing to
> accept them or to even make the necessary changes himself.  The quote
> is still somewhat true in that out of the box, qmail is a rogue MTA
> that doesn't behave in an acceptable manner.
> 
Well, given that djb makes such bold claims for qmail, allowing such bugs
to persist doesn't do much for his credibility. In fact, I doubt that
anyone who isn't a skilled programmer is qualified to administer a qmail
installation, what with all the patches necessary just to make it fully
compliant.

- --
Daniel Taylor

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